China is cutting edge in mobile tech

HONG KONG — Snapchat and Kik, the messaging services, use bar codes that look like drunken checkerboards to connect people and share information with a snap of their smartphone cameras. WeChat and Alipay, two Chinese apps, have long used the bar-code-like symbols — called QR codes — to let people pay for purchases and transfer money. The video-streaming...

I regard the brain as a computer which will stop working when its component fail. There is no heaven or afterlife for broken-down computers. That is a fairy story for people afraid of the dark"Stephen Hawking"